Five years ago, a powerful meteor shower rained down on the moon's Lunar Observatory Colony and slaughtered its three ill-fated astronauts. Below on Earth, the space company NAXA faced severe criticism for their failure to protect them.

In the present day, astronauts Plato, Abbot, and Tycho land on the moon for the first time since the tragedy. Their task is to repair the ruined colony—but life-threatening circumstances and twisted resolves threaten to add this mission to the list of space disasters.